Hydraulic brake system with hydraulic brake force boosting
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United States of America Patent
Stats
-
Nov 24, 1987
Grant Date -
N/A
app pub date -
Jan 23, 1986
filing date -
Jan 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brake system with hydraulic brake force boosting comprises a master cylinder (1), to which the wheel brakes (36 to 39, 36' to 39') are connected, as well as of an auxiliary-pressure supply system (11, 12) and of an auxiliary-pressure control valve (10) which causes an auxiliary pressure proportional to the pedal force (F). Inserted into the pressure fluid conduits from the master cylinder (1) to the wheel brakes (36 and 39, 36' to 39') are pressure-controlled multidirectional valves (15, 15', 16, 16') which, in their initial position, provide for hydraulic communication between the master cylinder (1) and the wheel brakes. After a second switch position has been assumed, the auxiliary-pressure source (11, 12) will be connected to the wheel brakes (36 to 39, 36' to 39'), whereby dynamic braking is effected instead of the master cylinder (1).
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Cited Art Landscape
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